用溶胶-凝胶法在玻璃上制备了锐钛矿型TiO2和过渡金属镍掺杂TiO2薄膜.采用XRD、原子力显微镜和表面接触角仪等手段对TiO2薄膜进行了表征.结果表明,少量的镍离子掺杂在一定程度上抑制了TiO2晶粒的生长,提高了薄膜的表面能态,从而改善TiO2薄膜亲水性能和光致亲水性能.镍掺杂摩尔分数2.0%、500℃热处理2h后,较未掺杂薄膜的亲水性能大幅提高,掺杂镍的薄膜在黑暗中放置一周后仍能表现出超亲水性.
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